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公开(公告)号:US3369075A
公开(公告)日:1968-02-13
申请号:US41085764
申请日:1964-11-13
Applicant: IBM
Inventor: YOURKE HANNON S , CALLAHAN EDWARD J
IPC: H04L25/08
CPC classification number: H04L25/08
公开(公告)号:US3369075A
公开(公告)日:1968-02-13
申请号:US41085764
申请日:1964-11-13
Applicant: IBM
Inventor: YOURKE HANNON S , CALLAHAN EDWARD J
IPC: H04L25/08
CPC classification number: H04L25/08